27,13 → 27,16 |
*/ |
|
#include <mm/page.h> |
#include <arch/mm/page.h> |
#include <arch/mm/asid.h> |
#include <mm/asid.h> |
#include <mm/frame.h> |
#include <arch/mm/page.h> |
#include <arch/types.h> |
#include <typedefs.h> |
#include <arch/asm.h> |
#include <memstr.h> |
#include <debug.h> |
#include <arch.h> |
|
/** Virtual operations for page subsystem. */ |
page_operations_t *page_operations = NULL; |
41,7 → 44,7 |
void page_init(void) |
{ |
page_arch_init(); |
page_mapping_insert(0x0, 0x0, PAGE_NOT_PRESENT, 0); |
page_mapping_insert(0x0, 0, 0x0, PAGE_NOT_PRESENT, 0); |
} |
|
/** Map memory structure |
61,7 → 64,7 |
cnt = length/PAGE_SIZE + (length%PAGE_SIZE>0); |
|
for (i = 0; i < cnt; i++) |
page_mapping_insert(s + i*PAGE_SIZE, s + i*PAGE_SIZE, PAGE_NOT_CACHEABLE, 0); |
page_mapping_insert(s + i*PAGE_SIZE, ASID_KERNEL, s + i*PAGE_SIZE, PAGE_NOT_CACHEABLE, 0); |
|
} |
|
71,16 → 74,17 |
* using 'flags'. Allocate and setup any missing page tables. |
* |
* @param page Virtual address of the page to be mapped. |
* @param asid Address space to wich page belongs. |
* @param frame Physical address of memory frame to which the mapping is done. |
* @param flags Flags to be used for mapping. |
* @param root Explicit PTL0 address. |
*/ |
void page_mapping_insert(__address page, __address frame, int flags, __address root) |
void page_mapping_insert(__address page, asid_t asid, __address frame, int flags, __address root) |
{ |
ASSERT(page_operations); |
ASSERT(page_operations->mapping_insert); |
|
page_operations->mapping_insert(page, frame, flags, root); |
page_operations->mapping_insert(page, asid, frame, flags, root); |
} |
|
/** Find mapping for virtual page |
88,14 → 92,15 |
* Find mapping for virtual page. |
* |
* @param page Virtual page. |
* @param asid Address space to wich page belongs. |
* @param root PTL0 address if non-zero. |
* |
* @return NULL if there is no such mapping; entry from PTL3 describing the mapping otherwise. |
*/ |
pte_t *page_mapping_find(__address page, __address root) |
pte_t *page_mapping_find(__address page, asid_t asid, __address root) |
{ |
ASSERT(page_operations); |
ASSERT(page_operations->mapping_find); |
|
return page_operations->mapping_find(page, root); |
return page_operations->mapping_find(page, asid, root); |
} |